Erpetogomphus lampropeltis

Kennedy, 1918

Serpent Ringtail

Erpetogomphus lampropeltis, commonly known as the Serpent Ringtail, is a in the (). It is distinguished by a turquoise and is found in the southwestern United States and Mexico. The species prefers riverine where perch on mid-stream objects or overhanging vegetation. Like other clubtails, it has that are widely separated rather than touching at the top of the .

Erpetogomphus lampropeltis 3014111 by Laura Gaudette. Used under a CC BY 4.0 license.

RINGTAIL, SERPENT (Erpetogomphus lampropeltis natrix) (9-14-10) pat pake st park, scc, az -01 (4991523840) by ALAN SCHMIERER. Used under a CC0 license.

SERPENT RINGTAIL (Erpetogomphus lampropeltis natrix) (10-17-12) sonoita creek above patagonia lake, scc, az -02 (8098283962) by ALAN SCHMIERER. Used under a CC0 license.

Pronunciation

How to pronounce Erpetogomphus lampropeltis: /ˌɛr.pɛ.toʊˈɡɑm.fəs ˌlæm.proʊˈpɛl.tɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

The turquoise distinguishes E. lampropeltis from other Erpetogomphus . The -belted Ringtail (E. compositus) has a heavily striped, zebra-like thorax with a white central stripe on the side. The Dashed Ringtail (E. heterodon) has a solid green thorax with relatively few stripes. The Serpent Ringtail's preference for perching on mid-stream objects and overhanging river vegetation also aids identification in the field.

Images

Appearance

have a turquoise-colored , a distinctive feature among Erpetogomphus . The displays the ringtail pattern characteristic of the , with pale rings on dark . are widely separated, typical of . are clear with dark . Overall size and proportions are consistent with -sized .

Habitat

Flowing water , particularly rivers and streams. are typically found perched on objects in the middle of watercourses or on vegetation overhanging the water. Associated with the Gila River watershed and similar river systems in the southwestern United States.

Distribution

Southwestern United States (Arizona, New Mexico, possibly adjacent states) and Mexico. Documented from the Gila River and its tributaries in New Mexico, with broader distribution across the region.

Seasonality

Active during summer months, with observations in August documented. and period likely corresponds to monsoon season and warm weather in the desert Southwest, roughly June through September.

Behavior

perch conspicuously on mid-stream rocks and overhanging vegetation, making them relatively approachable for observation and photography. Males likely territories along river stretches. As with other , are aquatic in river substrates.

Ecological Role

are aerial of other . are aquatic predators that contribute to structure in river . The serves as an indicator of healthy, flowing water in arid regions.

Human Relevance

Subject of interest to enthusiasts and photographers due to its distinctive coloration and approachable . Participates in organized dragonfly surveys and 'blitz' events. No documented pest or status for agriculture or human health.

Similar Taxa

Erpetogomphus compositus-belted Ringtail has heavily striped, zebra-patterned with white stripe versus turquoise thorax of E. lampropeltis
Erpetogomphus heterodonDashed Ringtail has solid green with minimal striping, lacking the distinctive turquoise coloration
Ophiogomphus arizonicusArizona Snaketail has almost solid green and belongs to different , though shares riverine

More Details

Taxonomic authority

described by Kennedy in 1918. The Erpetogomphus was taxonomically revised by Rosser Garrison in 1994.

Etymology

Specific epithet lampropeltis references the milky kingsnake Lampropeltis, possibly alluding to ringed pattern or coloration.